Ball-bearing.



JQ-F. SPRINGER. BALL BEARING APP-LIUATIOI FILED SEPT. 14, 1900.

Patented Nov. 10, 1908;

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MII/l J. P. SPRINGER.

` BALL BEARING.

APPLICATION FILED SEPT. 14, 190B.

903,337. I Patented Nov. 10,1908.

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'lli/1111A WITNESSES /N/E/VTOR.

UNITED srairns ParENT onirica.

JOHN F. SPRINGER, OF GIRARD, PENNSYLYANIA.

BALIrBEARING.

No. 903,337; speeifieatin n: Letters Patent. Patented Nov 1o, 190e Application filed September 414, 1906. Serial No. 334,600.

To all whom 'it may concern: ring D, having a chamfered edge d, providing Be it known that I, JOHN F. Sramana, a 'thus a bearing surface. In this particular citizen of the United States, and a resident case the bearing surface d, is'concavely cham-- of Girard, in the county7 of Erie, State of fered. F at the4 other end of the beat-ing 60 Pennsylvania, have invented new and useful and carried by B,., is a ring similar tovD1, but Im rovements in Ball-Bearings, of which the whose concavely chamfered edge j, is opfol owing is a specification. osed to that of D,. E, are rings carried by M invention relatesv to the class of ball and each having twoconcavel chambearings which have a -plurality of rows of fered edges (3,.l Carried bythe sha t A, are 65 1o balls, and especially toasubordinatc division the rings 1 each having two ooves or ofA this class in which it is sought to effect races, each groove of V-sha e an providing automatic equalization of pressure :as be- 'two .bearin surfaces, 6,. n theserooves tween the various rows'of balls, during the are rows ofgballs J each row of balls aving operation of the bearing. lNith the especial a third and last bearin surface, (1 e, orf)" 7o o jects, thus, of supporting heavy loads, and in addition to the two caring surfaces proautomatically and continuously distributing vided by the groove in which 1t is. G, is an the load equally among the rows, my invenabutting ring for F,; and H, is a locking ring; tion consists of features of construction and both G, and H, being in screw-threaded enai'rangement producin a new and improved gagement with B,. The three bearing sur- 75 bearin which will be lly described and its faces contacting with a row of balls are munovel eatures claimedl tually so inclined as to confine the balls and In the accompanying drawings, Figure 1 at the same timemutually s inclined that is an axial section of an embodiment of my radial pressure on the bearing tends to the invention. Fig. 2 is also an axial section of longitudinal separation of-the two rin s hav;- 80 an embodiment, but with reversal of parts as ing the surfaces; that is, of the ring iaving compared with Fig. 1. Fig. 3 is a transverse 'the roove and of the-ring having the chamsection of the embodiment shown in Fig. 1, at fere edge. The rin s E, and I, are free to the line 3,3. Fi s. 4,'5, 6,-7, 8, 9, 10, 11, are slide longitudinally re' atively to their rs ecs axial sections of agments, showing various tiveV carriers. If now radial pressure iitlls 85 80 styles of ball races applicable to thecon unevenly on the bearin this pressuregwill struction shown in Fig. 1, and with reversal tend to be automaticali equalized among of parts," to that shown in Fig. 2. Figs. `12 the several rows by means of the rings free an' 13 'are axial sections showing similar and to slide. alternative constructions to that shown in The bearing rings .J msy be separated by 9o 1. Figs.- 14 and 1'5 show constructions the separator balls I (lig. 3), which are alternative to those shownin Figs. 1 and 2, preferably of such size and in such position, formed by the omission, of certain arts. relatively to the bearing balls, that in the Fig. 16 is a erspective'view of the d)evice case of any one of the balls K, a straight line used especiallp to retain iniposition the sepajoining the centers of the two conti uous 95 40 tutor balls in 1. balls J, will pass through its center, as s own Throughout te drawings, the same letters in Fig. 3. At L, in Fig* 1 is shown' in longiare used when referring to parts erforining tudinal section the device used'to retain similar'functions. The word ciamfered in position. L, in Fig. 3 shows a ltransverse is-used todescribe broadly a sloping' ed e, section Vof the saine device, more fully` de- 100 which-edge (in section) may be a straig `t scribed later. The bearing as thus deline, the convex side of a curve, or the conscribed will not 'resist a thrust ressure. cave side of'a, curve. Carrier is used By securing from. longitudinal sli ing, (as broadly as including both shaft and housing, by set Screws), one or more of the rings E or any two partsjperforming similar func- 1 a thrust may be resisted, but at the ex: 105 tions. Race is sometimesused in sense of pense of impairment of equalization of presgroove, and sometimes as denoting the agsure. In order to reduce friction to avery gregnte -of all. bearngsuraces confining a low point, in practice, the inclinations of the row of balls. bearing surfaces at the points of contact to In Fig. 1', A, is a-shaft, B, is ahousing. C, the axis of rotation of a ball should be but 110 is a flange inte al with the housing B,. slight. Any orall of the rings D E,', F 1

Carried by B, andr abutting 0 is the bearing l'- `ay be secured from rotation relatively to Y cured by means of the lwith ,the axis of the shaft.

their respective carriers by the feather and oove arrangement shown at ms and n, in ig. 3. Adjustment of the bearing is sering (Srl which is locked place by Hl.

ings performing the functions of D El, F may e mounted o'n the shaft as shown in' Fi 2. The ringsthere shown as corres on ing to Il are arranged in the housing.

isa collar'integral-wit the shaft;and, and H,` are adjusting 'and locking nuts, re.- spectively,G serving las an abutting collar.

, Various other forms of ball races providing three-point contact may be used. Such 4forms are shown in Figs. 4, 5,6, 7, 8,9, 10,

11, in all of which, as shown, as well as that.

shown in Fig. l, the form of a raceis such.l that -a strai ht-line joinin the two points of contact o the groove Wit a ball is parallel -Thisis usua preferable. VBut it is not necessary'.

'that is required is that f orrn be such that radial-pressure on the bearing will produce a tendency t'o longitudinal separation of the two rings forming a ball race. Reversal of the parts of'forms shown in Figs. 4,5, 6, 7, 8, 9,' 10,' 11, 'andalso of the addltional-forms just referred to, will produce forms adaptable to the construction shown in Fig. 2. The straight chamfered edge produces equali .sation most perfectlyfor the three forms of grooves illustrated, and for their reversals.

' the bearing ba sprctrudeto struction.

. struction.

In Fig. 12 is shownan alternative con- C12 is a collarinte ral with the shaft and against which Il, a uts. G1, is :in-adjusting nut against whlch the ring -I 1 abuts. H is a locking nut. and I 1, have each but one groove.' 1 are free longitudinally. By' reversin parts a new 'alternative construction Wi arise. In Fig. 13 is. another' alternative con- This is representative of the occurrence of an odd pluralityof rows of balls. and F 'liave'abutting means, 'one of which is acljustable,a sl shown in the figure. El, and versal 'lof .parts gives rise t another construction. Both constructions are capable of resisting thrusts. I

In Fig. 14 is a construction fom/red from Fig. 1 by' omission' of rings E1 and of all but one of rings I In 'Fi formed y reversing the arts of Fig, 14. In Fig. 1'6is shown tie retaining device, shown in longitudinal section at L1 (Fig. 1.), in transverse section at L1 (Fig. 3). This consists of a shell, X, annularly as to permit of being sp into position; 1t has sultable erforatlons through which bear against the charnfered e ges of bearing rings, as shown Fig. 1.. Between the per- 4in these shells in position separator balls.

a that it may. often seenf'advisable tq perforations, P, blunt, soI las 4to -balls to grip the The rings I1`,

15)- and 1 are free longitzldinally. Re'

-4 free to slide longitudinally.

. 15 1s shown another construction the-said races; and, two

convex at R and cylindrical atl 0. It is spht at S so .finit 'them 'to forations are the portions. Q which serve to retain the separator balls in position, as shown in Fi 3. If the perforations are made of suita le size and are suitably placed, the retainin shell will act as ball-retainer for the bearing balls as well as for the separator balls. The dimensions of the shell should be such as to lermit it to clear the bearing rings and ho d the separator balls in posltion. The 4two shells corresponding to a ring Il maybe made integral with eac' other. The shell, X, may be givenv a second cylindrical llange, similar to and axially oposite, the flange O.y The bearinglshown 1n ig. 1 is not shown as equipped t roughout with 'the shells X. lThis would, of course, ordinarily be done. The rnethodof springon the rings is as fo ows, if it is desired. that shells act as retainers-for'the bearing balls Aas well as for the The. balls, both separator and bearin balls, are assembled in position in the 4s hel A rin I is then 'pressed intoposition-the s' lit, permitting the -circlet of balls to yi'el I f it is not desired that shells act asre tainers for the lbearingballs, the' erforations, P, may be made sufliciently ar e to ermit the passa e throu h them o the earing balls. T 1ere is tigen no' difculty in-assembling.l It may also be remarked make the ed es of the 'nder any tendency of the .bearing shell, Whenthe bearingis in operation. J

Having described -my invention, what I4 claim as new is:

1.- In a ballbearing, 'the' combination of two carriers; a bearing ring carried by one of the said carriers and having two gro'oved ball races, each of said races providing two bearingsurfaces, said bearing ring bein free to slide longitudinally; two rows of -ba s inthe 'said races; and, two bearing rings carried by theother of thesaidc'arriers'and providin 'by chamfered and proximate edges thirdan last bearing surfaces for the said rows ofballs. both of these said twobearing rings being the combination of ring carried by one having two grooved races providing two 2. In a ball earing, two paniers;- a bearin of tle said .carriers and ball races, each of said bearing surfaces(i said bearing ring being free inallyf: two rows of -ba'lls in to slide longitu bearing rings carried bythe other of the said carriers and providing bychamfered and proximate edves third and lastjbe'aringsurfaces fort-hasaicl rows of balls, one of these 'saidi'two bearing rings.be' img free to Aslide longitudinally.

L. In a ball bearing, the combination 'of two carriers; a bearin ring carried by -one of the said carriers and having two globved ballraces,yeacl1 of said races providing two bearing surfaces, said bearing ring bein free to slide longitudinally; two rows of ba ls in i the said races; and, two bearing rings carried by the other of the said carriers and providing by chamfered and proximate edges third gn last bearing surfaces for the saidJ rowsof a s. v

4. In a ball bearing, the combination of two carriers; a bearing ring carried by one of the said carriers and having two grooved ball races, each of said races providing two bearing surfaces, said bearing ringrbein free to slide longitudinally; two rows of ba s in the said races;and, two bearing rings carried by the other of the said carriers and providino` by chamfered and proximate edges third an(v last bearin surfaces for the said rows of balls, one o these said two bearing rings being free to slide longitudinally, the other beingl prevented by suitable means from longi-A tu inalshifting in one direction.

5. In a ball bearing, the combination of two carriers a bearing ring carried by one of the said `carriers and having two grooved ball races, each of said races providing two bear.-

' ing surfaces, Vsaid bearing ring bein free to slide longitudinally; two rows of ba s in the said races; and, two bearing rings carried by the other of the said carriers and providin by chamfered and proximate edges third an last bearin surfaces for the said rows of balls, one o these said two bearing rin being prevented by suitable means from ongitudinal shifting in one direction.

6. In a'ball bearing, the combination of two carriers; two bearing rings carried by one of the said carriers and each havingi a grooved ball race, each of these racesprovidmg two bearing surfaces, both of said bearing rings being free to slide longitudinally; ,i two rows of balls in the said races; and, a bearing ring carried bythe other of .said carriers and providing by two chamfered edges third and last bearing surfaces for the said rows of balls, this said bearing ring being free to slide longitudinally.

7. Ina ball bearing, the combination of two carriers; two bearing rings carried by one of the said carriers and yeach having a grooved ball race, each of these races rovldlng two bearing surfaces, one of said earing rings bein free to slide longitudinally; two rows of ba ls in the said races; and, a bearing rin'g carried by the other of said carriers and providing by two ehamfered ed es third and ast bearlng surfaces for the sai( rows of balls, this said bearing ring being free to slide longitudinally. v i

8. In a ball bearing, the combination of two carriers; two bearing rings carried by one of the said carriers and each having a grooved y ball race, each .of these races providing two bearing L lrfaees,both of said bearing rings being free to .slide longitudinally', two rows .carried by thevother of said carriers an of balls in the said races and, a bearing ring ro- Viding by two chamfered edges third and ast bearing surfaces for the said rows of balls.

9. In a ball bearing, the combination of `two carriers; two bearing rings carried by one of the said carriers and each having a grooved ball race, each of these races pi,

viding two bearing surfaces, one of sal'd bearing rings beinv'free to slide longitudinally; ltwo rows of? balls 1n the said races;

and, a bearing ring carried by the other of.

said carriers and providing by two chamfered edges third and last bearing surfaces for the said rows of balls.

10. A ball bearing: comprising two carriers bearing rings carriedfby one 0f the said carriers and each having two grooved ball races, said races each providing two bearing surfaces, said bearing rin ls being free to slide longitudinally; rows 0 balls in the said races; and, bearing rings, carried by the other of the said carriers and forming by chamfered edges third and last bearing surfaces for the said rows of balls, the external ones of these rin s being prevented by suitable means from` ongitudinal separation, the remainder' being free to slide longitudinally. 11. A ball bearing: comprising two carriers; bearing rin s carried by one of the-said carriers and eac having two grooved ball races, said races eachproviding two'bearing n surfaces, said bearing rings being free to slidelongitudinall rows of balls in the said races; and, caring rings, carried by the other of the said carriers and forming by chamfered edges third and last bearing surfaces for the said rows of balls, the external ones of these rings bein prevented by suitbearing surfaces, said bearing rin s being free to slide longitudinally;`rows o balls in the said races; and, bearing rings, carriedby the other of the said carriers and formingbyy chamfered edges-third andlast bearing surfaces for the said rows of balls, the external ones of these -rin s being prevented by suitable means fromongitudlnal separation.

l 13. A ball bearing: comprising two carriers; bearing rin s carried by one of the said carriers and eae having two grooved ball races, said races eachfproviding two bearing surfaces, one of said bearing rin beingfree to slide longitudinally; rows o 'balls 1n the said races and, bearing rings, carried by the otherof the said carriers and forming by chamfered edges third and last bearing surfaces for the saidv rows of balls, the external ones oflthese rings being prevented suitable means from longitudinal se aration, the remainder being free to slide ongitudinally.

14. Aball bearing:v comprising two carriers; bearing rings carried by one of the saidA carriers and each having two grooved ball races, saidv races each providing two bearing surfaces,` one` of said bearingrings being free to slide longitudinally; rows ofballs in the said races; and, bearing rings, carried by the otherf'o the. said carriers and forming ,by chamerod edges' third and last bearing surfacesfor tnesaid 4rows -of balls, the external *onesf'gf'theserin' s being prevented by Silit- .able means from ongitudinal-sepa'ratin, one

ofh'eremainder being-'free to slide longitu- -dinally 15 A ball vbearing: comprisingv two carriers; bearing rin scariied by one `of thersaid carriers 'and' eac having two grooved ball races, said'races-each providing two bearing surfaces, onefofsaid bearing rings being lfree to slide longitudinally; rows oi.v balls in' the sain lvriicesjand, bearing rings, carried f b'y the :other' of -tne said lcarriers andforming c liainfered "edges third and last bearing srfacesffor. said rows of'ball, the exby the carrier A1 and each terna] ones of these rings being {lureventedby suitable means from longitudina separation. ,16. A ball bearinv. comprising two carriers, A1 and B1; t-he-Qbearing rin s I1 carried avin two grooved ball races W, of V-shape, sai races each providing' two bearing surfaces il, vsaid bearing rings being freet slide longitudinally rows of balls, J t, in the said races; and,

bearing rin s, D1, E 1, carriedQby'the other,

'Bv of sai carriers, `and forming by concavely chamfered edges, dl, el, f1, third and la'st bearing surfaces for the said rows .of` balls, theextei'nal ones, 1) Fl fof thesesaid rings being preventedby suitable means, Cl, G1, Hf, from longitudinal -se aration, the

reiliainder, El, being free to s de lon'q'zitudina y. Y Inv testimony -Whereof I have hereunto signed my name in the presence of two at-` testing witnesses, at Girard, Vin thecounty of Erie; -inj the State of Pennsylvania, this 18th 4'day of August, 1906.-

JOHN Fa SPRINGER. Writnessesz f J. C. MURPHY, C. F. ARMOUR. 

